Published as the Quarterly Bulletin through 1920. Bound volume scanned from Stanford University Libraries.  Includes volume 6 number 1 (April 1, 1917); volume 6 number 4 (January 1, 1918); volume 7 number 1 (April 1, 1918); volume 7 number 2 (July 1, 1918); volume 7 number 3 (October 1, 1918); volume 7 number 4 (January 1, 1919); volume 8 number 1 (April 1, 1919); volume 8 number 2 (January 1, 1920); volume 9 number 1 (January 1, 1921); volume 10 number 1 (January 1, 1922); volume 11 number 1 (January 1, 1923); volume 12 number 1 (January 1, 1924); volume 13 number 1 (January 1, 1925); volume 14 number 1 (January 1, 1926); volume 15 number 1 (January 1, 1927); volume 16 number 1 (January 1, 1928); volume 17 number 1 (January 1, 1929); volume 18 number 1 (January 1, 1930); and volume 19 number 1 (January 1, 1931) While most images were included in the PDF provided by Google, a few may have been stripped out.